linux-kernel - Re: [PATCH v6 17/29] drm/mediatek: add connection from RDMA1 to DSI1

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Message-ID: <1529397567.26480.13.camel@mtksdaap41>
Date:   Tue, 19 Jun 2018 16:39:27 +0800
From:   CK Hu <ck.hu@...iatek.com>
To:     Stu Hsieh <stu.hsieh@...iatek.com>
CC:     Philipp Zabel <p.zabel@...gutronix.de>,
        David Airlie <airlied@...ux.ie>,
        Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Matthias Brugger <matthias.bgg@...il.com>,
        <dri-devel@...ts.freedesktop.org>, <devicetree@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-mediatek@...ts.infradead.org>, <srv_heupstream@...iatek.com>
Subject: Re: [PATCH v6 17/29] drm/mediatek: add connection from RDMA1 to DSI1

On Tue, 2018-06-19 at 15:34 +0800, Stu Hsieh wrote:
> This patch add the connection from RDMA1 to DSI1
> 

Reviewed-by: CK Hu <ck.hu@...iatek.com>

> Signed-off-by: Stu Hsieh <stu.hsieh@...iatek.com>
> ---
>  drivers/gpu/drm/mediatek/mtk_drm_ddp.c | 9 +++++++++
>  1 file changed, 9 insertions(+)
> 
> diff --git a/drivers/gpu/drm/mediatek/mtk_drm_ddp.c b/drivers/gpu/drm/mediatek/mtk_drm_ddp.c
> index 13e91903f493..90228cad051a 100644
> --- a/drivers/gpu/drm/mediatek/mtk_drm_ddp.c
> +++ b/drivers/gpu/drm/mediatek/mtk_drm_ddp.c
> @@ -28,6 +28,7 @@
>  #define DISP_REG_CONFIG_DISP_UFOE_MOUT_EN	0x050
>  #define DISP_REG_CONFIG_DISP_COLOR0_SEL_IN	0x084
>  #define DISP_REG_CONFIG_DISP_COLOR1_SEL_IN	0x088
> +#define DISP_REG_CONFIG_DSIO_SEL_IN		0x0a8
>  #define DISP_REG_CONFIG_DPI_SEL_IN		0x0ac
>  #define DISP_REG_CONFIG_DISP_RDMA0_SOUT_EN	0x0c4
>  #define DISP_REG_CONFIG_DISP_RDMA1_SOUT_EN	0x0c8
> @@ -86,8 +87,10 @@
>  #define RDMA0_SOUT_DSI3			0x5
>  #define RDMA1_SOUT_DPI0			0x2
>  #define RDMA1_SOUT_DPI1			0x3
> +#define RDMA1_SOUT_DSI1			0x1
>  #define DPI0_SEL_IN_RDMA1		0x1
>  #define DPI1_SEL_IN_RDMA1		(0x1 << 8)
> +#define DSI1_SEL_IN_RDMA1		0x1
>  #define COLOR1_SEL_IN_OVL1		0x1
>  
>  #define OVL_MOUT_EN_RDMA		0x1
> @@ -170,6 +173,9 @@ static unsigned int mtk_ddp_mout_en(enum mtk_ddp_comp_id cur,
>  	} else if (cur == DDP_COMPONENT_RDMA0 && next == DDP_COMPONENT_DSI3) {
>  		*addr = DISP_REG_CONFIG_DISP_RDMA0_SOUT_EN;
>  		value = RDMA0_SOUT_DSI3;
> +	} else if (cur == DDP_COMPONENT_RDMA1 && next == DDP_COMPONENT_DSI1) {
> +		*addr = DISP_REG_CONFIG_DISP_RDMA1_SOUT_EN;
> +		value = RDMA1_SOUT_DSI1;
>  	} else if (cur == DDP_COMPONENT_RDMA1 && next == DDP_COMPONENT_DPI0) {
>  		*addr = DISP_REG_CONFIG_DISP_RDMA1_SOUT_EN;
>  		value = RDMA1_SOUT_DPI0;
> @@ -198,6 +204,9 @@ static unsigned int mtk_ddp_sel_in(enum mtk_ddp_comp_id cur,
>  	} else if (cur == DDP_COMPONENT_RDMA1 && next == DDP_COMPONENT_DPI1) {
>  		*addr = DISP_REG_CONFIG_DPI_SEL_IN;
>  		value = DPI1_SEL_IN_RDMA1;
> +	} else if (cur == DDP_COMPONENT_RDMA1 && next == DDP_COMPONENT_DSI1) {
> +		*addr = DISP_REG_CONFIG_DSIO_SEL_IN;
> +		value = DSI1_SEL_IN_RDMA1;
>  	} else if (cur == DDP_COMPONENT_OVL1 && next == DDP_COMPONENT_COLOR1) {
>  		*addr = DISP_REG_CONFIG_DISP_COLOR1_SEL_IN;
>  		value = COLOR1_SEL_IN_OVL1;